Mastron Propionate 125 is a short-ester formulation containing Drostanolone Propionate, a DHT-derived anabolic compound frequently utilized in laboratory and educational research settings. This ester is designed for faster release and shorter half-life than its long-acting counterpart, Mastron Enanthate 200, allowing for more frequent observation cycles and fine-tuned dosing schedules.

Compound Overview

• Active Ingredient: Drostanolone Propionate
• Concentration: 125 mg/mL
• Ester Type: Short (Propionate)
• Half-life: Approximately 2 days
• Observation Interval: Every 2 days or at least twice weekly in controlled environments

Research Context

• Short-acting model compound for androgenic and anabolic response assays.
• Facilitates rapid peak/trough cycling for kinetic and recovery phase observation.
• Commonly studied alongside testosterone esters to examine synergistic androgen modulation.

Laboratory Dosage Reference

The following ranges represent standard research concentration references for analytical or model-based comparative testing. Not intended for human or veterinary use.

Storage & Handling

• Store below in a dry, light-protected environment.
• Do not freeze. Keep vial sealed when not in use.
• Use aseptic technique when handling solutions.

Product Information

• Formulation: Oil-based injectable solution
• Concentration: 125 mg/mL
• Volume: 10 mL vial
• Ingredients:
  • 125 mg Drostanolone Propionate
  • 18% Benzyl Benzoate (USP)
  • 2% Benzyl Alcohol (USP)
  • Ethyl Oleate (carrier solvent)

What’s in the Box

• 1 × 10 mL sterile vial of Mastron Propionate 125 mg/mL

Why Choose EU Pharmaceuticals?

EU Pharmaceuticals delivers consistent, verified formulations for laboratory reference and educational study.